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Finding the Third Proportional to 31,543 and 48,833

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Solution

The third proportional to 31,543 and 48,833 is: 75,600.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,543 : 48,833 = 48,833 : x
  2. Step 2: Convert to fraction form
    31,543/48,833 = 48,833/x
  3. Step 3: Cross multiply
    31,543x = 48,833 × 48,833
  4. Step 4: Simplify right side
    31,543x = 2,384,661,889
  5. Step 5: Solve for x
    x = 2,384,661,889/31,543
  6. Step 6: Final answer
    x = 75,600.35

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.